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Physics · May / June 2016 · Paper 11 · Question 36

5054Circuit diagrams and circuit components

Which component, when used in a circuit, allows current to pass in only one direction?

  1. A[diode symbol]
  2. B[lamp symbol]
  3. C[battery symbol]
  4. D[thermistor symbol]

As printed in the paper

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Correct answer: A. [diode symbol]

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